<?php
class Product {
	protected $name;
	protected $interestRate;
	protected $period;
	protected $amount;
	protected $monthlyPayment;
	public abstract function __construct($name);
	public abstract function getName();
	public abstract function setName($name);
	public abstract function getInterestRate();
	public abstract function setInterestRate($interestRate);
	public abstract function getPeriod();
	public abstract function setPeriod($period);
	public abstract function getAmount();
	public abstract function setAmount($amount);
	public abstract function getMonthlyPayment();
	public abstract function showInfo();
}
?>